Home / 259,376,457.33-389,064,206.28-84,499,282.53

Finding the Fourth Proportional to 259,376,457.33, 389,064,206.28 and 84,499,282.53

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Solution

The fourth proportional to 259,376,457.33, 389,064,206.28 and 84,499,282.53 is: 126,748,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,376,457.33 : 389,064,206.28 = 84,499,282.53 : x
  2. Step 2: Convert to fraction form
    259,376,457.33/389,064,206.28 = 84,499,282.53/x
  3. Step 3: Cross multiply
    259,376,457.33x = 389,064,206.28 × 84,499,282.53
  4. Step 4: Simplify right side
    259,376,457.33x = 32,875,646,288,763,920
  5. Step 5: Solve for x
    x = 32,875,646,288,763,920/259,376,457.33
  6. Step 6: Final answer
    x = 126,748,767.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.